package com.ftg.learn.day12;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * map底层
 *
 * @author kangjx
 * @version 1.0
 * @date 2023/8/24 上午9:04
 */
public class MapBottomCode {

    public static void main(String[] args) {
        Map<String,Object> map = new HashMap<>();
        map.put("abc",123);
        map.put("def",56);
        map.put("xyz",77);
    }

}
